Home / 268,994.52-371,213.55-154,277.60

Finding the Fourth Proportional to 268,994.52, 371,213.55 and 154,277.60

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Solution

The fourth proportional to 268,994.52, 371,213.55 and 154,277.60 is: 212,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,994.52 : 371,213.55 = 154,277.60 : x
  2. Step 2: Convert to fraction form
    268,994.52/371,213.55 = 154,277.60/x
  3. Step 3: Cross multiply
    268,994.52x = 371,213.55 × 154,277.60
  4. Step 4: Simplify right side
    268,994.52x = 57,269,933,725.41
  5. Step 5: Solve for x
    x = 57,269,933,725.41/268,994.52
  6. Step 6: Final answer
    x = 212,903.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.